2025年 July

10 Best adapters in 日本

Last Updated - 20/07/2025

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Best Choice
01

TESSAN
25% Off

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Convert Plug, Worldwide, International Travel, Outlet, TESSAN Travel Converter, 2 USB-C and 2 USB-A Ports, C/O/BF/A Type, International Power Converter, Multi Converter, Power Conversion Adapter,
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

[Conversion Plug Universal Compatibility] The plug uses 4 world's leading types, C, BF, O, A. The outlet uses multi-type outlets. Fits over 200 countries around the world including France, Germany, Korea, UK, Hongkong, Ireland, China, USA, Australia, New Zealand USA. You can freely convert a variety of outlets (C, BF, O, O2, A, SE type) to a desired outlet (C, BF, O, A type). No matter where you go to the world, this one is enough!
Warning: This product does not have a transformer function, so please check the voltage when you want to use an AC outlet. Appliances marked as 100-240V can be plugged into your local outlet and ready to use. If you are using Japanese domestic (AC 100 V) electrical appliances such as hair dryers, etc., it must be used in conjunction with a transformer separately. Please read the instruction manual before use. If you have any questions about the use, please feel free to contact us
USB Port: This international adapter conversion plug has 2 type-a ports and 2 type-c ports. Single USB port supports 5V 2.4A output USB C port supports 5V 3.0A output 4 USB ports total 5V 4.2A USB connection devices automatically detect input current for various digital products such as smartphones and tablets and provide the optimal current. If you want a lot of USB connectors, you can have this power conversion plug
5-in-1 Overseas Plug Conversion Plug: Equipped with 2 USB-C ports, 2 USB-A ports and 1 multi-type outlet, this converter plug allows you to charge 5 devices simultaneously. You don't have to worry about having enough power outlets when staying at overseas hotels. You can share the room with family and friends
(High Safety & Compact) This outlet conversion plug is made of heat resistant and non-deformation material that is 2.7 x 2.1 x 2.1 inches (6.9 x 5.3 x 5.3 cm), with a compact size of about 5.7 oz (172 g), making it convenient to carry. In addition, it has 7 layers of security protection including overheating, over-current, over-charging, short-circuit protection, over-power protection, over-voltage protection, over-discharge protection. It also comes with 1 extra 10A fuse, so it can be used immediately in the event of an emergency. Suitable for overseas travel, business trips, training, etc

￥1,999 ￥2,699 25% Off
02

iHouse all

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iHouse All International Conversion Plug, Outlet Conversion Plug, Multi Conversion Plug, 2U SB Port, Worldwide, METI Approved, 1 Year Warranty
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

[Rapid Charging USB x 2 / Max 5A] Can rapidly charge your iPhone or iPad up to 5A (2.0A each) and simultaneously charge up to 2 devices. You accidentally forgot the charger on your trip. This one is enough to handle anything. Designed to be simple enough to reduce luggage. (Easy 10 Second Conversion) Safe for those who are worried about their first trip overseas. Easily convert any country type in about 10 seconds. Not compatible with Type C
This product is a "conversion plug" to transform the shape of an outlet. Compatible with plugs from more than 200 countries around the world, including Korea, China, USA, UK, Europe. The B, B3 type is not compatible, so please check the plug type in your country of use. In addition, this product is intended for use overseas, so it does not obtain Japanese electrical standards (PSE). Cannot be used in Japan
This product does not have a transformer function, so please check the voltage when using. Electrical products labeled 100 - 240 V compatible, and can be used without a transformer. Products that only indicate 100V are domestic and domestic specifications. Please prepare a separate transformer. In addition, high power appliances such as rice cookers, hair dryers, etc., must be used in conjunction with a transformer
Please check the "Rated Capacity (or Power Consumption): W (Watts) for the electrical appliances. Depending on the number of W appliances you use, you may need to choose a transformer that complements the capacity you need. Please note that electric kettles, irons, toasters, and other electric appliances such as hair dryers, juicers, sewing machines, and other heat products require 2 to 3 times more power than stated in the product power(W). If using it through a transformer, please choose the volume of the transformer with a margin of capacity. This product does not have a transformer function
Package Contents: Overseas conversion plug, case, instruction manual (English language not guaranteed); Size: Overseas conversion plug: H 3.0 x W 2.0 x D 1.6 inches (75 x 50 x 40 mm); Case: H 3.8 x W 2.6 inches (91.6 g); Case: H 3.8 x W 2.6 inches (80 x 6 x 6 mm); 1 mm); 1 oz (9 g). 2 built-in USB ports (not compatible with USB typeC). It has 2 built-in USB ports, so you can charge your iPhone or other smartphone at the same time. Simple design with security door, overvoltage protection, overcharge protection, and short circuit protection, so you can guarantee charging and don't have to worry about overload or short circuit
Do not use with products exceeding 6A, 240V, 5A. It is very dangerous to cause fire

￥1,980
Best Value
03

Vulendu
38% Off

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USB Charger, AC Adapter, iPhone Rapid Charger, PSE Certified 2-Piece Set, AC Outlet, Rapid Charger, Smartphone Charger, 12 W, 2 Ports, 2.4 A, Rapid Charging, Simultaneous Charging, 2 Port USB Power
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Wide Compatibility: Just plug it into a wall outlet and it becomes a USB socket that can charge your iPhone or Android devices at full speed in 2 hours. Supports rapid charging of Android and Apple models such as AQUOS, Galaxy, and Xperia
Multi-function Protection: Comes with a variety of protection features such as overheating protection, short circuit protection, overvoltage protection, lightning protection, overpower protection, and overcurrent protection. It is safe from the inside and outside and securely protects your device and the charger itself
High Quality Chip and Intelligent Protection: Automatically detects and matches the applicable voltage current. Equipped with an intelligent temperature protection system that automatically detects overheating, and controls temperature for safer charging. Extends the life of your life!
Equipped with a USB-A Port: Equipped with 2 ports rapid charging terminals, you can charge 2 devices simultaneously. The USB-A port supports 5V/2.4A and provides 12W rapid charging. The total maximum output of the double port is 24W
Eco-friendly and Quality Material: Pure copper plugs are nickel plated for improved contact performance, preventing oxidation and corrosion. The surface is made of environmentally friendly PC + ABS material (synthetic resin alloy fire retardant). Excellent heat resistance and abrasion resistance, shock resistance, not easy to break, can be used for a long time
(PSE Certified, Safe and Secure): The 2.4A rapid charging AC adapter has PSE mark on electrical appliances to confirm compatibility with technical standards, preventing overvoltage, overcurrent, overheating, and short circuit circuit, providing quick and safe charging

￥797 ￥1,299 38% Off
04

ROAD WARRIOR

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rwg111 ro-douxo-ria Ren. Con renkon Japan Dedicated Power Supply Plug Multi Conversion Adapter BF, C, SE, O, O2, B3, CB (UK/EU/AU/CN/in, etc.) Power Supply Plug Type For Electric Equipment Safety Law PSE Licensed
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Simple to Use & Stylish Design: The stylish and functional design allows you to use overseas electrical products without compromising the appearance of your room
Compatible with 7 major power plugs in the world: Due to differences in the plug shape of electrical products made overseas, electrical products cannot be plugged directly into a Japanese outlet. With this Japanese power conversion adapter, you can convert overseas power plugs from BF, C, SE, O2, B3, CB (UK, EU, AU, CN, IN, etc.) to Japanese (A) types. (Can also be used as a US A-type conversion)
Compact Size: W 1.4 x H 1.4 x D 1.9 inches (36 x 36 x 47 mm), it is compact enough to fit in the palm of your hand, so it is convenient to carry with you on trips
(Electrical Appliances and Materials Safety Act (PSE) Accredited product) World's first. PSE standard as a multi-converter adapter for multiple power plug types. You can safely use electrical products from almost all over the world in Japan. This product is a specific electrical appliance that complies with the Japanese Electrical Appliance Safety Act (PSE) technical standards. [Rating: 125 V 6 A]
(Can be used in Japan) Compatible with overseas electrical products that are made overseas, such as BF type (UK, Singapore, Hong Kong, etc.), C, SE type (Italy, Spain, Russia, etc.), O, O2 type (Australia, New Zealand, China, etc.), B3 type (India, Nigeria, etc.), CB type (Brazil)

￥1,069
05

MARSNET
30% Off

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Total 40W Rapid Charger, USB Outlet, Type-C Charger, AC Adapter, USB Port & USB C Port, PD, 20W, iPhone Charger, Adapter, Type C Charger, USB Power Strip for iPhone, iPad, Android and Other Devices
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

⚡【UNIVERSAL COMPATIBLE PD CHARGER】: The TYPE C adapter is special 4 ports, so it is compatible with almost any electronic device. iPhone 15/15 Pro /15 Pro Max/14/14 Pro/14 Pro Max/13/13 Mini/13 Pro Max/12/12 Pro Max/12 Pro Max/12 Mini/SE 2020/11/11 Pro/11 Pro Max/XR/XS/X/X/X/X/X/X/X/X/X/X/X/X/8/Pro/7, iPad Air/Pro /Mini, Samsung Galaxy This charging station is compatible with digital devices such as y, Hiwei, Xiaomi, Tablet, LG, Motorola, Google Pixel
⚡【Safe and Reliable AC Adapter】: Equipped with a smart chip to adjust the input power of your phone to prevent overcharging and overheating
⚡【Multi-Port USB Outlet】:The Type-C charger has dual USB-C ports and dual USB-A ports. Users can charge phones, tablets and headphones simultaneously to minimize waiting. It also saves space instead of occupying 4 wall outlet ports. Best replacement for the original USB charger
⚡【40W USB Rapid Charger】: Type-C charger supports Power Delivery and Quick Charge 3.0 rapid charging with up to 40W total power. USB port provides 3.1A/5V output power, USB-C port provides 20W charging speed. Charge your iPhone devices from 0% to 58% in just 30 minutes
Compact and Portable USB Power Tap: Incredibly compact size for improved portability. This portable charger is all equipped with a compact body that fits in your pocket, so you can take it anywhere. Perfect for home, office, or on the go

￥1,174 ￥1,699 30% Off
06

Ailkin-にほん

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USB Power Adapter, USB Outlet, Set of 3 - 1 USB Port, USB Charger, iPhone Charger, Mobile Charger, Charger Adapter, Android Charger, Smartphone Rapid Charging, Compact, Compatible with Devices such as
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

❤ Compact, lightweight and portable charger. It is very convenient to use for business trips, at home, at work, in a car
❤ Charger is Input (AC 110-240V), Output (DC 5V/1.0A) Weight: 25g/pcs It supports a wide range of voltage, and can be used in the world
Smartphone charger with multi-protection system. This rapid charging adapter has passed multiple certifications such as 3C, PSE, CE, UL, and more, with built-in safety features to prevent overcharging, overheating, and short circuiting to provide powerful and safe charging
Quality Assurance: The product has a December warranty and if you have any problems, please contact our store via "Order history" → "Contact seller" (★ Product exchange/return service ★ etc
Compatible with many devices: Not only can it be used with iPhone 14, iPhone 13, iPhone 12, 11, Xs iPad, and other smartphones from Samsung, Huawei Xperia, Galaxy, etc., but it can also charge various USB devices at full speed

￥999
07

Anker

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Anker Nano Charger 20W USB-C Rapid Charger, Compatible with PSE Technology Standards, PowerIQ 3.0 (Gen 2), Compatible with iPhone, Android and Other Devices, White
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Up to 3 Times Faster Charging Speed for the Latest iPhone: With a maximum 20W output that supports USB PD, you can charge your iPhone up to 3 times faster (compared to standard 5W output chargers from 0% to 30% for the iPhone 15according to research conducted by Anker.)
Ultra Compact Size That Is Easy to Carry: Approximately 45% smaller than standard 20W power chargers.It is compact and fits in the palm of your hand, making it perfect for carrying around (the plug is not foldable).
Package includes: Anker Nano Charger (20W), User manual (English language not guaranteed), Customer support (English Language not Guaranteed).
One Type-C Charger is All You Need: USB PD-compatible up to a maximum of 20W output, this is all you need to charge your smartphone, tablet, wireless earphones, etc.
High Level of Safety to Protect Your Phone: In addition to the conventional multi-protection system, the ActiveShield provides additional security.It constantly measures and controls the temperature, protecting your devices 24/7.
Available in a Variety of Colors: Available in 6 color variations, allowing you to enjoy a mix of colors with your iPhone.

￥1,690
08

Hootek

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Hootek USB Charger, 2 Ports, USB Outlet, AC Adapter, 2.1A Rapid Charging/PSE Certified, Compact USB Power Adapter, iPhone Charger, Android Charger, Smartphone Charger, Mobile Phone Charger, AC
8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

★ Small and lightweight size (3.2*3.2*3.2*3.7cm/30g) until you hold it by hand. Lightweight and compact in the palm of your hand for easy carrying. International voltage compatibility (input voltage: AC 100 - 240 V) makes the ideal travel accessory. Small enough for home and office use, unobtrusive, powerful and fast charging
★ SAFE TO USE: Fireproof cover and smart IC identification design. Automatic inspection function: It can be automatically tested and provided to connect the optimal current for your device. Intelligent IC design with overheating protection, overcurrent protection, overcharge protection, automatically shut off when battery is finished It also has passed PSE certification, so you can use it with confidence
★ Quality Assurance: 12 months worry-free warranty. In the event that initial defects or damage occurs, please contact our store via "Order history" → "Contact seller" (★Product exchanges, return service, etc.)
★ COMPATIBILITY: Compatible with various USB devices such as iPhone 11/11Pro/11Pro Max/Xs Max/X/Xs/Xr/8/7/6/5/SE (1st Generation)/iPad/Galaxy/Sony/HuaWei, etc
★ CHARGING 2 AT THE SAME TIME: Equipped with 2 USB-A ports, each port has a maximum output of 2.1A, and can charge your smartphone or iPhone at the same time, saving charging time on 2 charging devices. (2 ports total within 2.1 A)

￥699
09

エレコム(ELECOM)
10% Off

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Elecom EC-AC22WH Charger, 20 W, 2 Ports, Type-C USB-A, USB, PD, Fold-Down Plug, Compatible with iPhone 15/14, iPad 10th Generation, Etc., White
8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

USB-A port can charge and power your smartphone or tablet with an output of 12W (5V 2.4A)
USB Type-C (TM) (USB-C(TM) port) and USB-A ports for a total of 2 ports, this USB AC charger can be used to charge your compatible smartphone, tablet, etc
USB Power Delivery is a USB standard that allows you to choose the right power between the adapter and connected devices to ensure fast charging
The output of this product is 20W
The output can be changed to 5V/3A, 9V/2.22A, depending on your device, and it can be used for a variety of devices such as smartphones and tablets
Small and lightweight enough to completely hide in the palm of your hand, so it is convenient to carry when going out for business trips or other outings
Only compatible with USB Power Delivery 20W charging
Can be charged using a compatible USB cable that comes with a smartphone or other device

￥1,430 ￥1,590 10% Off
10

Vulendu
25% Off

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PD 20W Rapid Charger, iPhone Charger, USB-A & Type-C 2 Ports, C Type Charger, PSE Certified, Compact Size, USB Charger, AC Adapter, Type C, Smartphone Power Adapter, Type C, Compatible with iPhone
8.1

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【2 USB-C & USB-A Ports】Our charger is equipped with 2 USB C ports that support Power Delivery 3.0 and USB A for Quick Charge, so you can use any cable, just one charger is enough. Output 20W with USB-C single port and 18W with USB-A single port When charging at the same time, the automatic detection function will output the optimal current for the connected device. (Note: When using 2 ports at the same time, it will be normal charging, so if you want to charge it rapidly, please use it with a single port.)
PSE Certified for Peace of Mind and Safety: Our iPhone charger has passed PSE certification, and comes with a power supply protection function such as overheating, overcharging, overdischarge, and short circuit protection, which automatically adapts to the required current for your iPhone/iPad devices and charges your devices quickly and stably
Compatible with Many Models: Equipped with USB-A and USB-C ports, you can charge two digital products simultaneously at full speed. Not only is it compatible with various Android smartphones such as iPhone, Samsung Galaxy, Xperia, Google Pixel, LG and other digital products such as iPad Pro, iPad Air, iPad Mini, and AirPods. Not only is it possible to rapidly charge the latest iPhone 15, iPhone 14, iPhone 13, iPhone 12, iPhone 11, iPhone Xs, iPhone XR, iPhone X, iPhone 8, iPhone 8 Plus, iPhone 7, iPhone 7 Plus, iPhone 6, but it also has a quick charging function
Compact & Easy to Carry: This rapid charger is compact and space-saving design (1.6 x 1.7 x 1.1 inches (4.2 x 4.2 x 2.7 cm) that does not interfere with other outlets even when plugged into a power tap. It can be easily stored in your bag or pocket, and is convenient to carry. Can be used for a wide range of occasions, from short trips to overseas travels
12 Month Warranty: Products purchased from our store come with a 12 month warranty service. We guarantee your product from the moment you buy it and the date of application after 12 months. Please note: Any intentional damage by the customer or a third party is not covered under warranty

￥749 25% Off

10 Best adapters in 日本

Convert Plug, Worldwide, International Travel, Outlet, TESSAN Travel Converter, 2 USB-C and 2 USB-A Ports, C/O/BF/A Type, International Power Converter, Multi Converter, Power Conversion Adapter,

iHouse All International Conversion Plug, Outlet Conversion Plug, Multi Conversion Plug, 2U SB Port, Worldwide, METI Approved, 1 Year Warranty

USB Charger, AC Adapter, iPhone Rapid Charger, PSE Certified 2-Piece Set, AC Outlet, Rapid Charger, Smartphone Charger, 12 W, 2 Ports, 2.4 A, Rapid Charging, Simultaneous Charging, 2 Port USB Power

rwg111 ro-douxo-ria Ren. Con renkon Japan Dedicated Power Supply Plug Multi Conversion Adapter BF, C, SE, O, O2, B3, CB (UK/EU/AU/CN/in, etc.) Power Supply Plug Type For Electric Equipment Safety Law PSE Licensed

Total 40W Rapid Charger, USB Outlet, Type-C Charger, AC Adapter, USB Port & USB C Port, PD, 20W, iPhone Charger, Adapter, Type C Charger, USB Power Strip for iPhone, iPad, Android and Other Devices

USB Power Adapter, USB Outlet, Set of 3 - 1 USB Port, USB Charger, iPhone Charger, Mobile Charger, Charger Adapter, Android Charger, Smartphone Rapid Charging, Compact, Compatible with Devices such as

Anker Nano Charger 20W USB-C Rapid Charger, Compatible with PSE Technology Standards, PowerIQ 3.0 (Gen 2), Compatible with iPhone, Android and Other Devices, White

Hootek USB Charger, 2 Ports, USB Outlet, AC Adapter, 2.1A Rapid Charging/PSE Certified, Compact USB Power Adapter, iPhone Charger, Android Charger, Smartphone Charger, Mobile Phone Charger, AC

Elecom EC-AC22WH Charger, 20 W, 2 Ports, Type-C USB-A, USB, PD, Fold-Down Plug, Compatible with iPhone 15/14, iPad 10th Generation, Etc., White

PD 20W Rapid Charger, iPhone Charger, USB-A & Type-C 2 Ports, C Type Charger, PSE Certified, Compact Size, USB Charger, AC Adapter, Type C, Smartphone Power Adapter, Type C, Compatible with iPhone

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